The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Cats and dogs can hear ultrasound.
350
The seahorse is the only fish to have a neck.
12